(p. pr. & vb. n.) of Agonize.

acute afflictive atrocious biting consuming cramping cruel desolating distressful distressing excruciating exquisite fierce gnawing grave griping hard harrowing harsh heartbreaking heartrending heartsickening heartwounding hurtful hurting intense painful paroxysmal piercing poignant pungent racking rending severe sharp shooting spasmatic spasmic spasmodic stabbing stinging tearing tormented tormenting tortured torturing torturous vehement violent